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논문 기본 정보

자료유형
학술저널
저자정보
Xenidis, H. (Department of Civil Engineering, Aristotle University of Thessaloniki) Morfidis, K. (Institute of Engineering Seismology and Earthquake Engineering) Papadopoulos, P.G. (Department of Civil Engineering, Aristotle University of Thessaloniki)
저널정보
테크노프레스 Structural engineering and mechanics : An international journal Structural engineering and mechanics : An international journal 제45권 제4호
발행연도
2013.1
수록면
521 - 542 (22page)

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In this study a truss model is used for the geometrically nonlinear static and dynamic analysis of a thin shallow arch subject to snap-through. Thanks to the very simple geometry of a truss, the equilibrium conditions can be easily written and the global stiffness matrix can be easily updated with respect to the deformed structure, within each step of the analysis. A very coarse discretization is applied; so, in a very simple way, the high frequency modes are suppressed from the beginning and there is no need to develop a complicated reduced-order technique. Two short computer programs have been developed for the geometrically nonlinear static analysis by displacement control of a plane truss model of a structure as well as for its dynamic analysis by the step-by-step time integration algorithm of trapezoidal rule, combined with a predictor-corrector technique. These two short, fully documented computer programs are applied on the geometrically nonlinear static and dynamic analysis of a specific thin shallow arch subject to snap-through.

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